#region The MIT License
// The MIT License
// 
// Copyright (c) 2009 octalforty studios
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#endregion
using System;
using System.ComponentModel.Composition.Hosting;
using System.Reflection;

using octalforty.Componento.ComponentModel;

namespace octalforty.Componento
{
    /// <summary>
    /// octalforty Componento Bootstrapper.
    /// </summary>
    public class Bootstrapper : IDisposable
    {
        #region Private Fields
        private CompositionContainer compositionContainer;
        #endregion

        /// <summary>
        /// Initializes infrastructure and returns an instance of <see cref="ComponentModel.IServiceProvider"/>.
        /// </summary>
        /// <returns></returns>
        public ComponentModel.IServiceProvider Initialize()
        {
            AssemblyCatalog assemblyCatalog = new AssemblyCatalog(Assembly.GetExecutingAssembly());
            DirectoryCatalog directoryCatalog = new DirectoryCatalog(AppDomain.CurrentDomain.SetupInformation.ApplicationBase);

            AggregateCatalog aggregateCatalog = new AggregateCatalog(directoryCatalog, assemblyCatalog);
            
            compositionContainer = new CompositionContainer(aggregateCatalog);

            ServiceProvider serviceProvider = new ServiceProvider(compositionContainer);
            return serviceProvider;
        }

        #region IDisposable Members
        /// <summary>
        /// Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.
        /// </summary>
        public void Dispose()
        {
            if(compositionContainer != null)
                compositionContainer.Dispose();
        }
        #endregion

    }
}
